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What is the Penny Test for Tire Tread Depth

Question (submitted on 9/9/2020)
Regarding 'The Penny Test' - I don't understand how this works. You place a penny into a tread groove on your tires with Lincoln's head pointed down and if you can see all of Lincoln's head it's time to replace the tire? Shouldn't that say If you CANNOT see all of Lincoln's head...?

Answer
Hi Anne, thanks for reaching out. The explanation we have in our course is accurate. T... Read Full Answer


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